相关单词近義詞 watershed 流域, catchment basin 滙水盆地, basin 臉盆, drainage area 流域, catchment area 滙水區；滙水麪積...River basin, 流域臨近詞drainage, drainage bar相似詞dragster, drain, drain (sth) away, drainage, drainboard, drained, drainer, draining board, 返回 drainage basin